# range(start, end, step)
# print(range(1, 10, 1)) #range(1, 10)

"""
1
2
3
4
5
6
7
8
9
"""
# for i in range(1, 10, 1):
#     print(i)

"""
1
2
3
4
5
6
7
8
9
"""
# for i in range(1, 10):
#     print(i)


"""
1
3
5
7
9
"""
# for i in range(1, 10, 2):
#     print(i)

"""
0
1
2
3
4
5
6
7
8
9
"""

for i in range(10):
    print(i)

# 1. 如果不写开始，默认从0开始
# 2. 如果不写步长，默认为1

